Drilling machining tool for nonferrous counterweight castings
Technical Field
The utility model relates to a counter weight foundry goods processing field especially relates to a non-iron counter weight foundry goods drilling processing frock.
Background
The existing machining method generally comprises the steps of finding out a reference surface of a casting, then marking on a platform according to the requirement of a drawing, and then finding out the position of a hole according to the marking result to drill the hole. Many castings still can not guarantee to put by a hundred percent correctly in the drilling process, and in addition, there is the error in the actual marking process, very easily causes the product to be unqualified after drilling processing, serious or even scrap.
The machining of the size and appearance of large castings is difficult, and the same drilling machining is very troublesome in actual production. In the current situation of extensive type production, the requirements on the technical level of workers are high; and the counterweight casting also has the problem of difficult labor. On one hand, the requirement on the quality of a single worker is high, on the other hand, no talents are available, and the management of a company is also greatly restricted.
Chinese patent discloses "a fork truck counter weight foundry goods drilling processing frock", the publication number is: CN109332765B, rotation axis wherein drives the connecting rod and removes, and the connecting rod drives the chucking axle and removes, comes the chucking foundry goods through the chucking axle, during the chucking, needs to paste tight foundry goods with whole device, and at chucking axle chucking in-process, the foundry goods that pastes tightly produces and slides easily, leads to the location inaccurate.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a drilling processing tool for nonferrous counterweight castings.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a drilling of non-ferrous counter weight foundry goods processing frock, includes the mainboard, the first bracing piece of both sides fixedly connected with of mainboard, both sides the one end fixedly connected with side drilling locating plate that first bracing piece deviates from mutually, the center department fixedly connected with center drilling locating plate of mainboard, center drilling locating plate deviates from the both ends fixedly connected with guide arm of one side of mainboard, both sides sliding connection compresses tightly the seat between the guide arm, compress tightly the both sides fixedly connected with second bracing piece of seat, the center department threaded connection who compresses tightly the seat has the threaded rod, the threaded rod deviates from the one end fixedly connected with who compresses tightly the seat and changes the handle, the other end of threaded rod rotates and is connected with the stripper plate, the stripper plate contacts with center drilling locating plate.
As a further preferred scheme of the above technical scheme, one side of the main board, which is away from the central drilling positioning plate, is provided with a protrusion, the top ends of the second supporting rods are provided with protrusions, the protrusions are in contact with a workpiece to be machined, and a clamping groove is formed in the workpiece to be machined.
As a further preferable scheme of the above technical scheme, the centers of the two side drilling positioning plates and the center drilling positioning plate are both provided with through holes.
As a further preferable scheme of the above technical scheme, a threaded hole is formed in the center of the pressing seat, and a through hole is formed in the sliding connection position of the pressing seat and the guide rod.
As a further preferable scheme of the above technical scheme, a connection part of the top end of the guide rod and the central drilling positioning plate is provided with a thread, a connection part of the central drilling positioning plate and the guide rod is provided with a threaded hole, and one side end of the guide rod, which is far away from the central drilling positioning plate, is provided with a limit ring.
As a further preferable scheme of the above technical scheme, the second support rod is integrally V-shaped, and the second support rod and the first support rod are both made of nonferrous alloy.
The utility model discloses following beneficial effect has:
1. the utility model discloses a set up first bracing piece and second bracing piece, come first bracing piece and second bracing piece separately through the threaded rod, come whole device clamp to press from both sides tight setting in the foundry goods with this mode, the arch of two first bracing pieces and the protruding triangle-shaped that forms of mainboard strut, guarantee the stability of overall structure, during the use, the level is put into the back and is twisted and move the commentaries on classics can.
2. The utility model discloses in the use, need not accurate positioning earlier stage, after twisting the commentaries on classics, the assigned position is moved to that second bracing piece and mainboard can be natural, facilitates the use, reduces calibration process, improves holistic production efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Fig. 2 is a schematic view of the clamping of the embodiment of the present invention.
Illustration of the drawings: 1. a main board; 2. a first support bar; 3. drilling a positioning plate at the side edge; 4. a central drilling positioning plate; 5. a pressing seat; 6. a threaded rod; 7. turning a handle; 8. a guide bar; 9. a second support bar; 10. a workpiece to be processed; 11. and (4) extruding the disc.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-2, the present invention provides an embodiment: a drilling tool for a nonferrous counterweight casting comprises a main board 1, wherein two sides of the main board 1 are fixedly connected with first supporting rods 2, side drilling positioning plates 3 mainly used for connecting two sides, one end of the two sides, opposite to the first supporting rods 2, of each main board 1 is fixedly connected with a side drilling positioning plate 3, a plate for positioning and drilling is fixedly connected with a center drilling positioning plate 4, two ends, opposite to one side of the main board 1, of the center drilling positioning plate 4 are fixedly connected with guide rods 8, the guide rods 8 are mainly used for enabling a pressing seat 5 to move directionally, a pressing seat 5 is connected between the guide rods 8 at two sides in a sliding mode, when a threaded rod 6 rotates, the pressing seat 5 is far away from the main board 1, so that the tool and a workpiece are fixed, two sides of the pressing seat 5 are fixedly connected with second supporting rods 9, the center of the pressing seat 5 is in threaded connection with a threaded rod 6, the other end of the threaded rod 6 is connected with the extrusion disc 11 in a rotating mode and used for extruding the central drilling positioning plate 4, the pressing seat 5 is far away from the main plate 1, and the extrusion disc 11 is in contact with the central drilling positioning plate 4.
Specifically, with reference to fig. 1, a protrusion is disposed on one side of the main board 1 away from the central drilling positioning plate 4, and protrusions are disposed on top ends of the second support rods 9 on two sides;
specifically, referring to fig. 2, the protrusions on both sides of the second support rod 9 are in contact with the workpiece 10 to be processed, and a clamping groove is formed in the workpiece 10 to be processed.
Specifically, referring to fig. 1, the centers of the two side drilling positioning plates 3 and the center drilling positioning plate 4 are both provided with through holes. The center of the pressing seat 5 is provided with a threaded hole, and the sliding connection part of the pressing seat 5 and the guide rod 8 is provided with a through hole.
The top of guide arm 8 is provided with the screw thread with the junction of central drilling locating plate 4, guide arm 8 is fixed through threaded connection with central drilling locating plate 4, with thread tightening's mode, the separation of second bracing piece 9 and first bracing piece 2, make the dismantlement maintain more convenient, central drilling locating plate 4 is provided with the screw hole in the junction with guide arm 8, guide arm 8 is provided with the spacing ring in a side end that deviates from central drilling locating plate 4, a biggest separation distance for limiting second bracing piece 9 and first bracing piece 2, make second bracing piece 9 and first bracing piece 2 be a whole.
The second supporting rod 9 is integrally V-shaped, the positioning plate can naturally reach the designated position in the pushing process, the second supporting rod 9 and the first supporting rod 2 are made of nonferrous alloy, the corrosion resistance and the physical strength are good, the weight is light, and the use is convenient.
The working principle is as follows: put into the draw-in groove of waiting to process work piece 10 with whole device level, twist and move and change 7, it drives threaded rod 6 to rotate to change 7, the rotation of threaded rod 6, make pressing base 5 keep away from central drilling locating plate 4, simultaneously, extrusion dish 11 forms the extrusion to central drilling locating plate 4, hug closely the arch of mainboard 1 at the draw-in groove inner wall of waiting to process work piece 10, and the arch of second bracing piece 9 is also hugged closely at the draw-in groove inner wall of waiting to process work piece 10, make whole device card in the draw-in groove of waiting to process work piece 10, later through side drilling locating plate 3 and central drilling locating plate 4 the locating hole rotate the hole can.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.